
(function-name SinOsc.ar)		; => SinOsc.ar

(function-of-no-arguments? 
 (lambda () #f))			; => #t

(map (lambda (p)
       (cons (function-arity-required p)
	     (function-arity-optional? p)))
     (list load display +))		; => ((1 . #f) (1 . #t) (0 . #t))
